/Engine/Source/Runtime/Engine/Classes/Materials/MaterialExpressionDepthOfFieldFunction.h
class UMaterialExpressionDepthOfFieldFunction : public [UMaterialExpression](API\Runtime\Engine\Materials\UMaterialExpression)
FExpressionInpu...
Depth
Usually nothing or PixelDepth
TEnumAsByte< en...
FunctionValue
Determines the mapping place to use on the terrain.